Cathode ray tube displays having saddle-type deflecting coils

Details Cathode ray tube displays having saddle-type deflecting coils Cathode ray tube displays having saddle-type deflecting coils

1996-08-07

1997-09-16

Patel, Ashok

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313413, 313426, 335213, H01J 2970, H01F 300

Patent

active

056684363

ABSTRACT:
A cathode ray tube display which can reduce the temperature rise of its deflection yoke, not by using either extra-fine wires or litz wires but by increasing the heat radiation of its saddle-type coils, is provided. A deflection yoke arranged in the rear periphery of a cathode ray tube display main body includes a saddle-type horizontal deflection coil, an insulating frame located outside of the saddle-type horizontal deflection coil, a saddle-type vertical deflection coil and a ferrite core located outside the insulating frame. The surface of the saddle-type horizontal deflection coil is partially exposed from the screen-side end face of the ferrite core toward the screen, and the surface area of the exposed part is predetermined to be from 100 to 298 cm.sup.2. Similarly, the exposed surface area of the saddle-type vertical deflection coil is predetermined to be from 55 to 185 cm.sup.2.

REFERENCES:
patent: 5013964 (1991-05-01), Vink et al.
patent: 5121028 (1992-06-01), Milili
patent: 5306982 (1994-04-01), Maillot et al.
patent: 5355050 (1994-10-01), Sluyterman
patent: 5506469 (1996-04-01), Vink et al.
Kuramoto et al., "The SSC Deflection Yoke For In-Line Color CRTs", Proceedings of the SID, vol. 30, No. 1, New York, New York, Dec. 1989.

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